Apparatus and process for nitration selectivity flexibility enabled by azeotropic distillation
US9133094B2 · kind B2 · utility
0Cited by
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10Claims
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Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Apr 5, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are processes and apparatuses for concentrating at least one organic acid using an alkyl acetate as an entrainer. The processes and apparatuses may use the same alkyl acetate as an entrainer to concentrate a mixture of organic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.